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A current of 0.1 A was passed for 2 hr t...

A current of 0.1 A was passed for 2 hr through a solution of cuprocyanide and 0.3745 g of copper was deposited on the cathode. Calculate the current efficiency for the copper deposition. (Cu = 63.5)

A

`79%`

B

`39.5%`

C

`63.25%`

D

`63.5%`

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The correct Answer is:
A
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